NDLI: Performance of a PET prototype demonstrator based on non-pixelated scintillators

Content Provider	IEEE Xplore Digital Library
Author	Bruyndonckx, P. Lemaitre, C. Leonard, S. Schaart, D.R. van der Laan, D.J. Maas, M.C. Wu, Y. Krieguer, M. Tavernier, S. Devroede, O.
Copyright Year	2004
Description	Author affiliation: Vrije Univ., Brussels, Belgium (Bruyndonckx, P.; Lemaitre, C.; Leonard, S.)
Abstract	Previous experimental results have demonstrated that a PET detector head based on a 20/spl times/10/spl times/10 mm LSO block read out by a Hamamatsu S8550 APD array is able to determine the impinging position of perpendicularly incident 511 keV photons with a resolution better than 2 mm FWHM. A prototype demonstrator using two of these detector heads was build to collect tomographic data. The axial and transaxial resolution measured in 2D OSEM and 2D FBP reconstructed images is better than 1.5 and 2 mm FVVHM respectively for radial distances less than 15 mm. A Monte Carlo simulation showed that a four-ring scanner based on these monolithic scintillator blocks has a 50% higher detection efficiency for single 511 keV photons in comparison to a similar system equipped with detector heads using a 4/spl times/8 matrix of 2/spl times/2/spl times/10 mm LSO pixels.
Starting Page	3924
Ending Page	3927
File Size	878674
Page Count	4
File Format	PDF
ISBN	0780387007
ISSN	10823654
e-ISBN	0780387015
DOI	10.1109/NSSMIC.2004.1466736
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-16
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Positron emission tomography Prototypes Solid scintillation detectors Head Neural networks Photonic crystals Energy resolution Spatial resolution Image resolution Image reconstruction
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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